6(-7u+9)+6=9(-5u+11)

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Solution for 6(-7u+9)+6=9(-5u+11) equation:


Simplifying
6(-7u + 9) + 6 = 9(-5u + 11)

Reorder the terms:
6(9 + -7u) + 6 = 9(-5u + 11)
(9 * 6 + -7u * 6) + 6 = 9(-5u + 11)
(54 + -42u) + 6 = 9(-5u + 11)

Reorder the terms:
54 + 6 + -42u = 9(-5u + 11)

Combine like terms: 54 + 6 = 60
60 + -42u = 9(-5u + 11)

Reorder the terms:
60 + -42u = 9(11 + -5u)
60 + -42u = (11 * 9 + -5u * 9)
60 + -42u = (99 + -45u)

Solving
60 + -42u = 99 + -45u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '45u' to each side of the equation.
60 + -42u + 45u = 99 + -45u + 45u

Combine like terms: -42u + 45u = 3u
60 + 3u = 99 + -45u + 45u

Combine like terms: -45u + 45u = 0
60 + 3u = 99 + 0
60 + 3u = 99

Add '-60' to each side of the equation.
60 + -60 + 3u = 99 + -60

Combine like terms: 60 + -60 = 0
0 + 3u = 99 + -60
3u = 99 + -60

Combine like terms: 99 + -60 = 39
3u = 39

Divide each side by '3'.
u = 13

Simplifying
u = 13

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